Example #1
0
        /*protected bool validateMessage(FlowState state, IData pipeline, bool inOpt)
         * {
         *  NSService svc = getService(state.getNamespace(), NSName.create(getNSName()));
         *
         *  int vo = inOpt ? svc.getInputValidatorOptions() : svc.getOutputValidatorOptions();
         *  if (vo == 2)
         *  {
         *      IData val = null;
         *
         *      NSRecord nsr = inOpt ? svc.getSignature().getInput() : svc.getSignature().getOutput();
         *
         *      ValidatorOptions vtorOpts = Validator.getDefaultOptions();
         *
         *      Validator vtor = Validator.create(pipeline, nsr, vtorOpts);
         *      boolean valid = false;
         *      Exception ex = null;
         *      try
         *      {
         *          val = vtor.validate();
         *          IDataCursor ic = val.getCursor();
         *          if (ic.first("isValid"))
         *          {
         *              valid = IDataUtil.getBoolean(ic);
         *          }
         *          ic.destroy();
         *      }
         *      catch (Exception e)
         *      {
         *          ex = e;
         *      }
         *      if ((!valid) || (ex != null))
         *      {
         *          Object[] subs = { svc.getNSName().getFullName(), FlowInvoke.getValidationMsgs(val) };
         *          if (ex == null)
         *          {
         *              ex = new FlowException(FlowExceptionBundle.class, inOpt? FlowExceptionBundle.FAILED_INPUT_VALIDATION : FlowExceptionBundle.FAILED_OUTPUT_VALIDATION, "", subs);
         * }
         * handleError(state, ex);
         * }
         * return valid;
         * }
         * return true;
         * }*/

        public override void invoke(FlowState flowState)
        {
            bool        isRoot   = FlowState.isRoot(this);
            bool        disabled = false;
            FlowElement last     = flowState.last;

            if ((last != null) && (!last.enabled))
            {
                disabled = true;
            }
            if (flowState.shouldExit(this) ||
                (flowState.error == null && exitOn == SUCCESS && !start && !map && !disabled) ||
                (flowState.error != null && exitOn == FAILURE))
            {
                flowState.done = true;
                flowState.willExit();
                return;
            }
            if (flowState.error != null)
            {
                FlowExceptionHandler fex = flowState.flowExHandler;
                if (fex != null)
                {
                    fex.resetException();
                }
                flowState.error = null;
                IData       pipe   = flowState.pipeline;
                IDataCursor cursor = pipe.getCursor();
                while (cursor.first() && cursor.delete())
                {
                }
                cursor.destroy();
                IDataUtil.append(save_pipeline, pipe);
            }
            else
            {
                save_pipeline = IDataUtil.clone(flowState.pipeline);
            }
            if (flowState.pushNextNode() == null)
            {
                flowState.done = true;
                if (isRoot && flowState.incremental)
                {
                    if (flowState.shouldExit(this) ||
                        (flowState.error == null && exitOn == SUCCESS && !start && !map && !disabled) ||
                        (flowState.error != null && exitOn == FAILURE))
                    {
                        flowState.done = true;
                        flowState.willExit();
                    }
                }
            }
            else
            {
                map = flowState.current().type.Equals(TYPE_MAP);
            }
            if (start)
            {
                start = false;
            }
        }